/Engine/Source/Runtime/GeometryCore/Public/Spatial/PointHashGrid3.h
Find any point within radius. Note: Not thread-safe to update, remove or insert points during this query.
the found pair (Value,DistanceSqFunc(Value)), or (InvalidValue,MaxDouble) if not found
TPair< PointDataType, RealType > FindAnyInRadius ( const [TVector](API\Runtime\Core\Math\TVector)< RealType > & QueryPoint, RealType Radius, [TFunctionRef](API\Runtime\Core\GenericPlatform\TFunctionRef)< RealType(const PointDataType &)> DistanceSqFunc, [TFunctionRef](API\Runtime\Core\GenericPlatform\TFunctionRef)< bool(const PointDataType &)> IgnoreFunc ) const